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M-R-S A-80B Specs ( 1967-1980 )

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Production

Description Built in Flora, Mississippi, USA
Drive type Four-wheel Drive (4WD) tractor
Manufacturer M-R-S

Engine

Engine type Detroit Diesel 4.6L 4-cyl diesel
Bore/Stroke 4.25x5.00 inches (108 x 127 mm)
Coolant capacity 42 qts (39.7 L)
Description Detroit Diesel 4-71 / diesel / 4-cylinder / liquid-cooled
Displacement 283.7 ci (4.6 L)
Oil capacity 15 qts (14.2 L)
Power 141 hp (105.1 kW)
Rated RPM 2100
Starter type electric
Torque 366 lb-ft (496.3 Nm)
Torque RPM 1600
Drawbar (claimed) 123 hp (91.7 kW)

Transmission

Clutch 381mm dry disc
Gears 20 forward and 4 reverse
Transmission type 20-speed

Mechanical

Cab Open operator station. Cab optional with available air-conditioning..
Description Power four-wheel steering
Drive 4x4 4WD

Hydraulics

Pump flow 20 gpm (75.7 lpm)

Dimensions & Tires

Front tread 80 inches (203 cm)
Ground clearance 14 inches (35 cm)
Height 117 inches (297 cm)
Length 195 inches (495 cm)
Max weight 17000 lbs (7711 kg)
Rear tread 80 inches (203 cm)
Wheelbase 118 inches (299 cm)
Width 111 inches (281 cm)
Front tire 18.4-26
Rear tire 18.4-26
Wheelbase 118 inches (299 cm)
Ag front 18.4-26 / 18.00-26
Ag rear 18.4-26 / 18.00-26

References

Description Red Book 1969 published by Implement & Tractor